Finding the Fourth Proportional to 197.15, 295.40 and 94.41
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Solution
The fourth proportional to 197.15, 295.40 and 94.41 is: 141.46
Step by Step Solution
- Step 1: Write the proportion equation
197.15 : 295.40 = 94.41 : x - Step 2: Convert to fraction form
197.15/295.40 = 94.41/x - Step 3: Cross multiply
197.15x = 295.40 × 94.41 - Step 4: Simplify right side
197.15x = 27,888.24 - Step 5: Solve for x
x = 27,888.24/197.15 - Step 6: Final answer
x = 141.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.